<?php
require_once(dirname(__FILE__)."/config.php");
CheckPurview('pic_view');
if(empty($activepath))
{
	$activepath=$cfg_medias_dir;
}
$activepath = ereg_replace("/{1,}","/",$activepath);
$truePath = $cfg_basedir.$activepath;
$listSize=5;
include DedeInclude('templets/pic_view.htm');

function GetPrePath($nowPath)
{
	if($nowPath==""||$nowPath=="/")
	{
		echo("当前为根目录\n");
	}
	else
	{
		$dirs = split("/",$nowPath);
		$nowPath = "";
		for($i=1;$i<count($dirs)-1;$i++)
		{
			$nowPath .= "/".$dirs[$i];
		}
		echo("<a href=\"pic_view.php?activepath=".$nowPath."\">转到上级目录</a>\n");
	}
}

function ListPic($truePath,$nowPath)
{
	global $listSize;
	$col=0;
	$rowdd=0;
	$rowdd++;
	$imgfile="";
	$truePath = ereg_replace("/$","",ereg_replace("\\{1,}","/",trim($truePath)));
	$nowPath = ereg_replace("/$","",ereg_replace("/{1,}","/",trim($nowPath)));
	$dh = dir($truePath);
	echo("<tr align='center'>\n");
	while($filename=$dh->read())
	{
		if(!ereg("\.$",$filename))
		{
			$fullName = $truePath."/".$filename;
			$fileUrl =  $nowPath."/".$filename;
			if(is_dir($fullName))
			{
				if($col%$listSize==0&&$col!=0)
				{
					echo("</tr>\n<tr align='center'>\n");
					for($i=$rowdd-$listSize;$i<$rowdd;$i++)
					{
						echo("<td>".$filelist[$i]."</td>\n");
					}
					echo("</tr>\n<tr align='center'>\n");
				}
				$line = "
					<td>
					<table width='106' height='106' border='0' cellpadding='0' cellspacing='1' bgcolor='#CCCCCC'>
					<tr><td align='center' bgcolor='#FFFFFF'>
					<a href='pic_view.php?activepath=".$fileUrl."'>
					<img src='img/pic_dir.gif' width='44' height='42' border='0'>
					</a></td></tr></table></td>";
				$filelist[$rowdd] = $filename;
				$col++;
				$rowdd++;
				echo $line;
			}
			else if(IsImg($filename))
			{
				if($col%$listSize==0&&$col!=0)
				{
					echo("</tr>\n<tr align='center'>\n");
					for($i=$rowdd-$listSize;$i<$rowdd;$i++)
					{
						echo("<td>".$filelist[$i]."</td>\n");
					}
					echo("</tr>\n<tr align='center'>\n");
				}
				$line = "
		    		<td>
		    		<table width='106' height='106' border='0' cellpadding='0' cellspacing='1' bgcolor='#CCCCCC'>
		    		<tr>
				    <td align='center' bgcolor='#FFFFFF'>
				    ".GetImgFile($truePath,$nowPath,$filename)."
				    </td>
					</tr></table></td>";
				$filelist[$rowdd] = $filename;
				$col++;
				$rowdd++;
				echo $line;
			}
		}
	}
	echo("</tr>\n");
	if(!empty($filelist))
	{
		echo("<tr align='center'>\n");
		$t = ($rowdd-1)%$listSize;
		if($t==0)
		{
			$t=$listSize;
		}
		for($i=$rowdd-$t;$i<$rowdd;$i++)
		{
			echo("<td>".$filelist[$i]."</td>\n");
		}
		echo("</tr>\n");
	}
}

function GetImgFile($truePath,$nowPath,$fileName)
{
	$toW=102;
	$toH=102;
	$srcFile = $truePath."/".$fileName;
	$info = "";
	$data = GetImageSize($srcFile,$info);
	$srcW=$data[0];
	$srcH=$data[1];
	if($toW>=$srcW&&$toH>=$srcH)
	{
		$ftoW=$srcW;
		$ftoH=$srcH;
	}
	else
	{
		$toWH=$toW/$toH;
		$srcWH=$srcW/$srcH;
		if($toWH<=$srcWH)
		{
			$ftoW=$toW;
			$ftoH=$ftoW*($srcH/$srcW);
		}
		else
		{
			$ftoH=$toH;
			$ftoW=$ftoH*($srcW/$srcH);
		}
	}
	return("<a href='".$nowPath."/".$fileName."' target='_blank'><img src='".$nowPath."/".$fileName."' width='".$ftoW."' height='".$ftoH."' border='0'></a>");
}

function IsImg($fileName)
{
	if(ereg("\.(jpg|gif|png)$",$fileName))
	{
		return 1;
	}
	else
	{
		return 0;
	}
}

?>